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Finding the Fourth Proportional to 273,877.48, 377,913.34 and 153,003.74

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Solution

The fourth proportional to 273,877.48, 377,913.34 and 153,003.74 is: 211,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,877.48 : 377,913.34 = 153,003.74 : x
  2. Step 2: Convert to fraction form
    273,877.48/377,913.34 = 153,003.74/x
  3. Step 3: Cross multiply
    273,877.48x = 377,913.34 × 153,003.74
  4. Step 4: Simplify right side
    273,877.48x = 57,822,154,415.89
  5. Step 5: Solve for x
    x = 57,822,154,415.89/273,877.48
  6. Step 6: Final answer
    x = 211,124.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.